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Cold acclimation refers to the gradual process by which individuals adapt to cold environments. With the increasing impact of global climate change and the growing popularity of extreme sports, research on cold acclimation has attracted significant attention in fields such as sports medicine, psychology, and physiology. Evidence indicates that cold acclimation enhances athletic performance, promotes health, and contributes to disease prevention. However, much of the current research primarily examines the interplay between physiological mechanisms and psychological adaptations, with limited systematic evaluation of its broader effects. This review provides an in-depth analysis of the physiological adaptations associated with cold acclimation, including cardiovascular adjustments, metabolic regulation, and modification in immune responses. Additionally, the psychological effects of cold acclimation are examined, highlighting its potential to improve mental wellbeing. The review further explores practical applications of cold acclimation, such as optimizing athletic performance, promoting overall health, and mitigating disease risks. Finally, this paper identifies gaps in current knowledge and proposes future research directions to offer a theoretical framework and practical guidance for the expanded application of cold acclimation.
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http://dx.doi.org/10.3389/fphys.2025.1609348 | DOI Listing |
J Fish Biol
September 2025
Department of Biological Sciences, University of New Brunswick - Saint John, Saint John, New Brunswick, Canada.
Many Arctic fishes experience prolonged periods of extreme cold and large thermal variation over both rapid and seasonal time scales which challenge critical physiological functions. In the central Canadian Arctic, we caught wild adult lake trout (Salvelinus namaycush) acclimatized to winter and summer temperatures to determine the extent to which they seasonally adjust cardiac thermal performance and adrenergic control. We assessed the intrinsic and maximum heart rate (f and f) of anaesthetised fish through cholinergic blockade and either adrenergic blockade (f) or stimulation (f) during acute warming.
View Article and Find Full Text PDFEcology
September 2025
School of Agriculture Biomedicine and Environment, La Trobe University, Bundoora, Victoria, Australia.
Climate change threatens biodiversity and ecosystem services around the globe. Despite the importance of native bees as pollinators, there is evidence of global declines, and we know very little about how climate shapes their distributions now and into the future. In the current study, we combined large-scale seasonal field sampling and experimental acclimation to examine whether populations of an Australian bee, Exoneura robusta, vary in their capacity to adapt to different climates.
View Article and Find Full Text PDFPlants (Basel)
August 2025
College of Agronomy, Shandong Agricultural University, No. 61 Daizong Street, Tai'an 271018, China.
Abiotic stresses, such as heat, cold, drought, and salt, pose severe challenges to global agriculture, with climate change exacerbating these threats and intensifying risks to crop productivity and food security. Strigolactones (SLs), a class of phytohormones, play pivotal roles in mediating plant development and enhancing stress resilience. This review highlights the multifaceted mechanisms through which SLs regulate plant responses to abiotic stresses, integrating molecular, physiological, biochemical, and morphological dimensions.
View Article and Find Full Text PDFPlants (Basel)
August 2025
Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming 650224, China.
Dehydration response element binding proteins (DREBs) have been identified as major regulators of cold acclimatization in many angiosperms. Cold stress is one of the primary abiotic stresses affecting kiwifruit growth and development. However, kiwifruit is currently one of the most widely consumed fruits worldwide because of its high nutritional value.
View Article and Find Full Text PDFBiomedicines
August 2025
Department of Medicine, Faculty of Medicine, Laval University, Quebec City, QC G1V 0A6, Canada.
: Standard room temperature housing (~22 °C) represents a stress for laboratory mice, resulting in an increased metabolic rate, calorie consumption, heart rate, and catecholamine levels compared to thermoneutral conditions (29-32 °C). Using a recently established two-hit model of heart failure with preserved ejection fraction (HFpEF) (Angiotensin II + High-fat diet for 28 days; MHS), we investigated how housing temperature modulates cardiac remodelling and function in male and female C57Bl/6J mice. : Using the MHS mouse model, we investigated cardiac remodelling and function in 8-week-old C57BL/6J mice of both sexes housed at 10 °C, 22 °C, and 30 °C for four weeks.
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